--
--  Copyright (C) 2018  Reto Buerki <reet@codelabs.ch>
--  Copyright (C) 2018  Adrian-Ken Rueegsegger <ken@codelabs.ch>
--
--  This program is free software: you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation, either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program.  If not, see <http://www.gnu.org/licenses/>.
--

package body Ptwalk.Utils
is

   -------------------------------------------------------------------------

   function To_Number (Str : String) return Interfaces.Unsigned_64
   is
      Start_Idx : constant Natural := Str'First;
      Result    : Interfaces.Unsigned_64;
   begin
      if Str'Length > 2 and then Str (Start_Idx .. Start_Idx + 1) = "0x" then
         Result := Interfaces.Unsigned_64'Value
           ("16#" & Str (Start_Idx + 2 .. Str'Last) & "#");
      else
         Result := Interfaces.Unsigned_64'Value (Str);
      end if;

      return Result;
   end To_Number;

end Ptwalk.Utils;
